Don't talk too much , Tom . We are on duty today , we should hurry up .   OK .   Tom , your task is to clean the blackboard .   How about yourself ?   I'm going to sweep the floor first .   Daniel , I am not tall enough to reach the of the blackboard .   Stand on the chair , Pig Tom . Use your brain .   OK , I've finished cleaning the blackboard .   How about the podium ?   Oh , I forgot about it . I'll get it .   Be quick , please . Our teacher and classmates will come soon .   I will be done before they come . 